Convert Flash Binary Stream To PDF On Server
Nov 1, 2011Any code snippet or third party utilities to do this? Anything built into .NET libraries?
View 3 RepliesAny code snippet or third party utilities to do this? Anything built into .NET libraries?
View 3 RepliesI have a problem with deserializing in C#/ASP.NET, which gives the exact error:
The input stream is not a valid binary format. The starting contents (in bytes) are: 41-41-45-41-41-41-44-2F-2F-2F-2F-2F-41-51-41-41-41 ...
What I am trying to do
I have a structure with 3 classes. I have a class A which is a base class, and then class B and C which are derived from A.
I am trying to store random types of B and C in the database using LINQ to SQL, in a column with the type VARCHAR(MAX).
I cannot use BINARY as the length is around 15.000.
My code...
[code]...
So the error happends when the first Deserialize method is run, with the above error.
Is it possible to convert a datatable into binary data and save it into on a binary field on database?
View 2 RepliesI was wondering if there is any difference in performance (or any other important factor) between a file sent to the browser from our server by this method :
For i = 1 To fileSize chunk
If Not Response.IsClientConnected Then Exit For
Response.BinaryWrite stream.Read(chunk)
Response.Flush
Next
VS
the old plain file access method that the IIS comes with.
We are working on a file manager handler for security reasons and would like to know what is the performance hit.
i will be passing the xml file like this:
[code]....
error:
Error 1 The best overloaded method match for 'System.Xml.Linq.XDocument.Load(string)' has some invalid arguments
cannot convert from 'System.IO.Stream' to 'string'
I have an ASP.NET page with a text status and a button to export an Excel file. When the user clicks the button, I want to generate the file on the fly and return it to the client as binary stream. Then I want to change the text status to show success/failure.
So far I can generate and send the file no problem, but obviously the statuses don't get displayed, since the server response was used to send the file and not a new updated page with the new status.
I'm not sure what's the cleanest way to approach this. I can think of something but is it the best way:
User clicks on button. File is generated and saved as a stream in the session. Statuses are updated and the page with the new statuses is returned to the client. A piece of Javascript on the page opens a 3rd party page which retrieves the saved stream from the session.
I have a MS Chart Control and I'm trying to serialize the chart to view state. When teh page postbacks, I wnat to de-serialize the chart from ViewState, then load it back to the Chart's serializer. When the Chart1.Serializer.Load is called, I get an error message stating Data at the root level is invalid, line 1 position 1.
So here's what I have:
Chart1.Serializer.Format = System.Web.UI.DataVisualization.Charting.SerializationFormat.Binary;
Chart1.Serializer.Content = System.Web.UI.DataVisualization.Charting.SerializationContents.All;
Chart1.Serializer.Save(myStream);
ViewState["myStream"] = myStream.ToArray();
On postback, when the routine is called:
System.Byte [] byters;
System.IO.MemoryStream myStream = new System.IO.MemoryStream();
if (ViewState["myStream"] != null)
{
byters = (System.Byte[])ViewState["myStream"];
myStream.Write(byters,0,byters.Length);
myStream.Position = 0;
Chart1.Serializer.Load(myStream); // this line throws a XmlException - data at the root level is invalid. line 1 , position 1.
}
The length of the stream was 15,518 and capacity was 16,384 when it made the save. On postback, both capacity and length became 15,518.
I have made a WCF web service that streams a 200 mb zip file. how i can read this stream at my client and then give option to the user to download that
View 1 Repliesin previously asked question answeres said they dont get what i want to do exactly so heres is the full code also i simply want that instead of a TABLESe i rendered an image( of the content ) on the page
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.IO;
using System.Text;
using System.Data;
using System.Drawing;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
System.Web.UI.WebControls.Panel panelmain = new System.Web.UI.WebControls.Panel();
System.Web.UI.WebControls.Literal abc = new System.Web.UI.WebControls.Literal();
abc.Text = "as<br/>dasdas<br/>dasdad";
DataSet ds = new DataSet();
DataTable dt;
DataRow dr;
DataColumn idCoulumn;
DataColumn nameCoulumn;
dt = new DataTable();
idCoulumn = new DataColumn("ID", Type.GetType("System.Int32"));
nameCoulumn = new DataColumn("Name", Type.GetType("System.String"));
dt.Columns.Add(idCoulumn);
dt.Columns.Add(nameCoulumn);
dr = dt.NewRow();
dr["ID"] = 1;
dr["Name"] = "Name1";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["ID"] = 2;.............
How would I convert text to binary using c#. If you don't know what I mean, check this page out:
[URL]. It doesn't have to auto update like that one though. I just want to be able to type in some text and then click a convert botton then it would show the binary text in a label.
i want to save the image in binary form in to database.
we use mysql database with asp.net, so i want to store the image as a binary data. how can i convert image in to binary data.
I have stored images in sql in the form of binary data. Now I want to convert it into image for displaying purpose.
I am doing like this
BLLogin blg = new BLLogin();
I am outputing a text file of 1s and 0s. I want to shrink the file so I'm going to convert it to ascii. Its going to be used on a clientside web application so I can convert it back to binary with some scripting later on.
So, I want to convert the string of binary to a string of ascii serverside in vb.net. I have spent much time searching the web for a vb.net solution, and, what a mess!! everyone thinks they know how to do it, but none of the solutions have worked so far!!
I have an excel file in my Response Output stream. I can Open the stream as a file after a prompt, but it doesn't seem I can save it directly to a specified folder on my client.
View 1 RepliesI wish to know how to convert the byte array file to a file in a string format and display it in a webpage. how can i perform this?
View 1 RepliesMy files are stored on a data repository in different formats like .doc,.docx,.pdf,.jpeg,.jpg,.tiff. I want to get those files in binary format(i.e byte[]) so that I can able to see that file to the user using a radbinary image control.I am able to get .jpeg and .jpg files and I can show those to users.But while I am trying to show .doc,.docx,.pdf files I am getting "Not valid parameter" exception.How can I solve this problem? My doubt is that pdf,doc,docx files are having no of pages. So while converting this total pages in to binary data I am getting error. So How can I show first page of .doc,.docx,.pdf files using radbinary image control.Here is my code.RadBinary Image controlis a telerik control,it only deals with binary data.
[Code]....
my table column is:
AttachContent varbinary (max)
when i try to retrieve the data and i get this below error, i am using linq
cannot convert from 'System.Data.Linq.Binary' to 'System.IO.BinaryReader'
I am a student and i want to make online gaming website as a part of my academic project.
Now the problem that i am facing is that as it is an academic project i have to use downloaded swf games into my project . now i want to fetch the highest score for an individual for a particular game and i want to store that data into my database so that i can populate the list of high scorers for any particular game on my webpage.
I'm trying to add Embeded flash in aspx page running on iis 7.5 windows server 2008. When i'm adding the Embeded code src=/mylocation/test.swf it works fine. But when I'm adding fileserver location src="file:\c: est.swf the page doesn't load.
The code works fine in normal html file on my desktop.
I have done an multiple upload with uplodify jquery, but when i check it in a system with no flash player installed a blank area is present in the region of the uplodify flash button, how can i show the user some missing plug-in like in other sites to install latest flash player plug-in... or suggest some option to make upload possible in a button click (single/multiple) even when user don't have flash installed.
View 2 RepliesIs there a way I can convert a Powerpoint file to a Flash file using an SDK or any other method?
View 3 RepliesIs there a library that can be used to stream FLV from IIS server and play it in ASP.NET page using C#?
View 2 RepliesI am trying to filestream to my hosting Companies sever.I have tried the below expecting it would not work. How can I find the correct path.Could not find a part of the path 'C:ERAPDFERA202.60.64.136.1.pdf'.
Exception Details: System.IO.DirectoryNotFoundException: Could not find a part of the path 'C:ERAPDFERA202.60.64.136.1.pdf'.
Source Error:
[Code]....
Is there a way, without using a streaming media server, to stream semi-live audio from an asp.net web app? We want to have a microphone located at a remote site, and stream the data to the client machine for listning. Maybe somehow dynamically build the wav data, or somehow implement this using playlists?
View 1 Repliesproblem with Stream.Write() where it works under a dev (Windows 7) environment but fails under a server environment (Windows 2008 R2 Enterprise)?
I'm basically working with some third party code which reads from a FileStream and writing to an Http request, nothing unusual and it's doing the following things:
Ensuring that Response.KeepAlive is false (was originally true but worked W7 and not W2K8 so tried false but it doesn't );
Ensuring that the Write includes the length of the bytes to write;
Ensuring that I Flush the stream afterwards;
The error that I encounter is the rather vague 'The request was aborted: The request was canceled.' with InnerException of 'Cannot close stream until all bytes are written.'. Now, my code works perfectly under Windows 7 so I still suspect that something is actively blocking this writing although I am not sure what, how and where.
One other possibility I wondered about was whether the encoding might be different under Windows Server 2008 R2 as opposed to Windows 7?
Here's a code snippet from the relevant method (a bit convoluted but, disclaimer, I didn't write it :-):
string boundary = string.Concat("-------------------------", DateTime.Now.Ticks.ToString("x", CultureInfo.InvariantCulture));
byte[] boundaryBytes = System.Text.Encoding.UTF8.GetBytes(string.Concat("
--", boundary, "
"));........